Game of Thrones is an American fantasy drama television series based on the A Song of Ice and Fire novels by George R.R. Martin. Set in the fictional continents of Westeros and Essos, the series follows the power struggles among noble families as they vie for control of the Iron Throne. With its complex characters, intricate plotlines, and epic battles, Game of Thrones became a cultural phenomenon and one of the most popular television series of all time.